what gauge wire should be used for central air. Can going...

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Question by paul
Submitted on 4/19/2004
Related FAQ: Electrical Wiring FAQ (Part 1 of 2)
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what gauge wire should be used for central air. Can going to low #6 when #8 should be used cause any problems?

Answer by tools
Submitted on 5/1/2004
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depends on the load of the ac,and the distance from the source.but use this as a general rule,check the nameplate on the unit for the amp load or "minimum" breaker size,then from there we go like this; 15 amp-14 guage wire,20 amp-12 guage wire,30 amp-10 guage wire.it goes on and on from there. don't forget to put a disconnect next to the unit,and some states require a 110 volt outlet next to it too.

Answer by Harry Ballsack
Submitted on 1/22/2005
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use 1/0 wire to be sure

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